Abstract:
AIMS:Some experimental evidence suggests that in lung cancer, development, progression and an increased proliferation rate can be linked to apoptosis-related factors. In this study we evaluated the possible role of p53 and Bcl-2 gene family members as prognostic factors for non-small-cell lung cancer. METHODS AND RESULTS:We investigated the immunohistochemical expression of p53 and Bcl-2 gene family members (bax, Bcl-2 and Bcl-xL) in 94 non-small-cell lung cancer specimens to establish the role of these genes in lung cancer pathogenesis, and to evaluate their prognostic importance. The expression of Bcl-2 was correlated with a shorter patient survival time and with the nodal status of the neoplasm. We also found frequent over-expression of bax and Bcl-xL to be of no prognostic significance. Finally, we found no correlation between frequent detection of aberrant p53 protein and expression of either Bcl-2, bax or Bcl-xL or with patient survival time. CONCLUSIONS:This study confirms a relevant role for apoptosis-regulatory proteins in the pathogenesis of lung cancer, and highlights the possible role of Bcl-2 as a prognostic factor for this tumour.
journal_name
Histopathologyjournal_title
Histopathologyauthors
Groeger AM,Esposito V,De Luca A,Cassandro R,Tonini G,Ambrogi V,Baldi F,Goldfarb R,Mineo TC,Baldi A,Wolner Edoi
10.1111/j.1365-2559.2004.01750.xkeywords:
subject
Has Abstractpub_date
2004-01-01 00:00:00pages
54-63issue
1eissn
0309-0167issn
1365-2559pii
1750journal_volume
44pub_type
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